MSI_RecordGetIStream adds a reference to the stream. This
reference should be negated as we are done setting the stream.
Signed-off-by: David Kahurani <k.kahurani@gmail.com>

MSC no longer emits a fixed number of substreams (depending on version of
PDB file), but can emit less.
Signed-off-by: Eric Pouech <epouech@codeweavers.com>

Signed-off-by: Eric Pouech <epouech@codeweavers.com>

Formats with more than two channels require WAVEFORMATEXTENSIBLE according to tests.

Fix Viking: Battle for Asgard (211160) audio cracking in its intro video.

It also fixes the game Unity of Command II (same bug).

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=46070